How often you need to replace your filter bag？

It depends on a few things that listed below.

1. The filter bag material. For example, polyester filter bags typically last 3 to 6 months, polypropylene filter bags last 6 to 12 months, and PPS bags can last 12 to 24 months.

2. The operating conditions of the baghouse system: 

The gas must meet the required standards for dust. If factory exhaust gases are too humid or contain acids or alkalis, this will shorten the lifespan of the filter bag.

3. Cleaning the filter bag: If you keep it clean, it will last longer. But if you don't clean them regularly, they can get really blocked and you'll need to change them more often.

To sum up, the filter bag replacement cycle is usually between 3 and 24 months. To work out the specific interval, we need to look at the filter bag material, how the dust collection system is being used, how often it is cleaned, and the environmental factors. To work properly, it is a good idea to regularly check the filter bags and change them quickly if they are damaged or blocked.